Quick answers
- Does Frank R. Kalmar accept Medicare assignment?
- Yes. Medicare's clinician data says Frank R. Kalmar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Frank R. Kalmar see?
- In 2024, CMS data shows 541 Original Medicare patients and 632 services for Frank R. Kalmar. This counts Original Medicare only and measures volume, not quality.
- What is Frank R. Kalmar's NPI number?
- 1376520783. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Frank R. Kalmar, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 541 |
|---|---|
| Services billed to Medicare | 632 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Mri scan of lower spinal canal without contrast (72148)215 services
- Mri scan of leg joint without contrast (73721)130 services
- Mri scan of arm joint without contrast (73221)70 services
- Mri scan of upper spinal canal without contrast (72141)56 services
- Fluoroscopic guidance for needle placement (77002)40 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Arthritis75%
- High blood pressure69%
- Osteoporosis25%
- Diabetes24%
- Anxiety24%
Practice locations
Addresses where Frank R. Kalmar is enrolled with Medicare (CMS data updated October 2, 2026).
- 2602 Mulberry LnNorthbrook, IL 60062 (847) 878‑9109
- 3004 Golf Rd, Suite 101aEau Claire, WI 54701 (855) 694‑3300
Group practices
Medicare enrollment lists Frank R. Kalmar as a member of this group (CMS data updated October 2, 2026).
- Diaspora Radiology SC6 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Northbrook
Clinicians with the same Medicare primary specialty in Northbrook, IL — not a recommendation.
Other clinicians in Diaspora Radiology SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376520783 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians